Erbijsommen t/m 1.000
Optellen
| 1. | 481 + 234 = |
910
|
890
|
669
|
715
|
| 2. | 482 + 157 = |
802
|
546
|
639
|
534
|
| 3. | 457 + 434 = |
592
|
891
|
754
|
786
|
| 4. | 344 + 164 = |
927
|
508
|
580
|
537
|
| 5. | 294 + 118 = |
432
|
412
|
251
|
313
|
| 6. | 190 + 114 = |
304
|
336
|
459
|
383
|
| 7. | 207 + 148 = |
361
|
244
|
355
|
410
|
| 8. | 253 + 209 = |
266
|
478
|
437
|
462
|
| 9. | 261 + 107 = |
368
|
453
|
411
|
425
|
| 10. | 452 + 204 = |
656
|
879
|
532
|
805
|
| 11. | 363 + 230 = |
593
|
649
|
747
|
798
|
| 12. | 278 + 276 = |
577
|
554
|
723
|
755
|